Home / 147,547,445.80-221,359,875.90-56,673,999.40

Finding the Fourth Proportional to 147,547,445.80, 221,359,875.90 and 56,673,999.40

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Solution

The fourth proportional to 147,547,445.80, 221,359,875.90 and 56,673,999.40 is: 85,025,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,547,445.80 : 221,359,875.90 = 56,673,999.40 : x
  2. Step 2: Convert to fraction form
    147,547,445.80/221,359,875.90 = 56,673,999.40/x
  3. Step 3: Cross multiply
    147,547,445.80x = 221,359,875.90 × 56,673,999.40
  4. Step 4: Simplify right side
    147,547,445.80x = 12,545,349,473,940,674
  5. Step 5: Solve for x
    x = 12,545,349,473,940,674/147,547,445.80
  6. Step 6: Final answer
    x = 85,025,866.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.