Home / 72,746,117.70-109,119,176.55-59,832,101.40

Finding the Fourth Proportional to 72,746,117.70, 109,119,176.55 and 59,832,101.40

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Solution

The fourth proportional to 72,746,117.70, 109,119,176.55 and 59,832,101.40 is: 89,748,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,746,117.70 : 109,119,176.55 = 59,832,101.40 : x
  2. Step 2: Convert to fraction form
    72,746,117.70/109,119,176.55 = 59,832,101.40/x
  3. Step 3: Cross multiply
    72,746,117.70x = 109,119,176.55 × 59,832,101.40
  4. Step 4: Simplify right side
    72,746,117.70x = 6,528,829,636,024,102
  5. Step 5: Solve for x
    x = 6,528,829,636,024,102/72,746,117.70
  6. Step 6: Final answer
    x = 89,748,152.10

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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.