Home / 75,136,689,929.64-103,688,698,916.63-40,842,396,488.04

Finding the Fourth Proportional to 75,136,689,929.64, 103,688,698,916.63 and 40,842,396,488.04

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Solution

The fourth proportional to 75,136,689,929.64, 103,688,698,916.63 and 40,842,396,488.04 is: 56,362,543,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,136,689,929.64 : 103,688,698,916.63 = 40,842,396,488.04 : x
  2. Step 2: Convert to fraction form
    75,136,689,929.64/103,688,698,916.63 = 40,842,396,488.04/x
  3. Step 3: Cross multiply
    75,136,689,929.64x = 103,688,698,916.63 × 40,842,396,488.04
  4. Step 4: Simplify right side
    75,136,689,929.64x = 4,234,894,952,482,006,368,256
  5. Step 5: Solve for x
    x = 4,234,894,952,482,006,368,256/75,136,689,929.64
  6. Step 6: Final answer
    x = 56,362,543,471.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.