Home / 145,547,104.61-200,849,730.63-79,466,385.67

Finding the Fourth Proportional to 145,547,104.61, 200,849,730.63 and 79,466,385.67

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Solution

The fourth proportional to 145,547,104.61, 200,849,730.63 and 79,466,385.67 is: 109,660,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547,104.61 : 200,849,730.63 = 79,466,385.67 : x
  2. Step 2: Convert to fraction form
    145,547,104.61/200,849,730.63 = 79,466,385.67/x
  3. Step 3: Cross multiply
    145,547,104.61x = 200,849,730.63 × 79,466,385.67
  4. Step 4: Simplify right side
    145,547,104.61x = 15,960,802,154,954,944
  5. Step 5: Solve for x
    x = 15,960,802,154,954,944/145,547,104.61
  6. Step 6: Final answer
    x = 109,660,732.84

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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.